Preheat oven to 350°F.
Mix green beans, soup, milk, soy sauce, 2/3 cup onions and pepper together in an oven safe casserole dish.
Bake for 25 minutes. Sprinkle remaining onions on top and bake for an additional 5 minutes or until onions are crispy.
Kitchen Tip: Makes a great traditional dish to serve at the holiday table.